#2B81BF#2B81BF

#2B81BF is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.2% C 0.124 H 244.5°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B81BF
RGB	rgb(43, 129, 191)
HSL	hsl(205, 63%, 46%)
HSV	hsv(205, 77%, 75%)
CMYK	cmyk(77.5%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(51.81, -3.83, -39.60)
CIE-LCH	lch(51.81, 39.78, 264.47°)
OKLab	oklab(58.2% -0.0535 -0.1124)
OKLCH	oklch(58.2% 0.124 244.5)
XYZ	xyz(18.2468, 19.9735, 52.1737)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B81BF #BF692B

analogous

#2BBFB3 #2B81BF #2B37BF

triadic

#2B81BF #BF2B81 #81BF2B

tetradic

#2B81BF #B32BBF #BF692B #37BF2B

square

#2B81BF #B32BBF #BF692B #37BF2B

split-complementary

#2B81BF #BF2B37 #BFB32B

monochromatic

#153E5B #205F8D #2B81BF #509FD8 #82BAE3

Accessibility & contrast

On white

4.20

#2B81BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#2B81BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81BF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B81BF	#FFFFFF	#000000	##000000
##2B81BF	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6483C2

Deuteranopia (green-blind)

#4F75BE

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2b81bf;
/* rgb */ color: rgb(43, 129, 191);
/* oklch */ color: oklch(58.2% 0.124 244.5);

Tailwind

colors: {
  custom: {
    50: '#7aa5d2',
    500: '#2b81bf',
    950: '#000000',
  },
}

SCSS

$custom: #2b81bf;
$custom-light: #7aa5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b81bf",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 205.135,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.58204,
    "c": 0.12447,
    "h": 244.5
  },
  "luminance": 0.19976
}

Semantic roles & 50–950 ramp

primary

#2B81BF

secondary

#CC9C7A

accent

#8742E6

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #2B81BF

Body copy rendered with the generated semantic roles for this colour.

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